Tectonic plates

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Across
  1. 4. Area of crust and top of magma.
  2. 6. Huge wave caused by earthquakes
  3. 8. when two plates slide past each other.
  4. 10. second word is zone.
  5. 12. when all of the continents were together.
  6. 13. what magma is when it reaches the surface
  7. 14. what lava is before it gets to the surface
  8. 16. Deep long ditch in oceanic crust.
  9. 17. stores magma and shoots lava.
  10. 18. what the continets do to move awayfrom each other.
Down
  1. 1. one of the two crusts.
  2. 2. second word is plates.
  3. 3. when two plates move away from each other.
  4. 5. violent shaking of the ground.
  5. 7. waves caused by circulations deep in the earth.
  6. 9. one of the two crusts.
  7. 11. where two plates are colliding.
  8. 15. first person to theroize pangaea.